package com.example.random_clap.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;

import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

/**
 * 自定义元数据对象处理器
 */

@Component
@Slf4j
public class MyMetaObjectHandler implements MetaObjectHandler {

    /**
     * 插入操作，自动填充
     * @param metaObject
     */
    @Override
    public void insertFill(MetaObject metaObject) {
        //long id = Thread.currentThread().getId();
        //log.info("当前线程->{}",id);
        //设置新增时公共字段值
        metaObject.setValue("createTime", LocalDateTime.now());
        //metaObject.setValue("createUser", BaseContext.getCurrentId());
        metaObject.setValue("updateTime",LocalDateTime.now());
        //获取本线程存储空间中的数据
        //metaObject.setValue("updateUser",BaseContext.getCurrentId());
    }

    /**
     * 更新操作，自动填充
     * @param metaObject
     */
    @Override
    public void updateFill(MetaObject metaObject) {
        //设置修改时公共字段值
        metaObject.setValue("updateTime", LocalDateTime.now());
        //metaObject.setValue("updateUser", BaseContext.getCurrentId());
    }
}
